Finding the Fourth Proportional to 2,128,496.40, 3,192,744.60 and 1,809,631.80
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Solution
The fourth proportional to 2,128,496.40, 3,192,744.60 and 1,809,631.80 is: 2,714,447.70
Step by Step Solution
- Step 1: Write the proportion equation
2,128,496.40 : 3,192,744.60 = 1,809,631.80 : x - Step 2: Convert to fraction form
2,128,496.40/3,192,744.60 = 1,809,631.80/x - Step 3: Cross multiply
2,128,496.40x = 3,192,744.60 × 1,809,631.80 - Step 4: Simplify right side
2,128,496.40x = 5,777,692,157,438.28 - Step 5: Solve for x
x = 5,777,692,157,438.28/2,128,496.40 - Step 6: Final answer
x = 2,714,447.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.